How To Lay Tile On Uneven Backer Board Wall

When the bathtub is installe.

How to lay tile on uneven backer board wall.

Step 4 screw the last piece of backer board into place leaving a 1 8 inch gap between the backer board and the drywall. Spread the mortar with the flat edge of the trowel then groove. Proper way to install backer board in tub area no matter what the board is made of it should not sit on top of the tub flange. Score the board with a utility knife then cut it using a jig saw with a carbide blade.

If so adjust your layout to have wider tile on the sides. Any kind of backer board will do. A strip of tile backer can help you get the build out just right. If needed cut the backerboard to fit in small spaces or around obstructions.

For the vertical layout begin your pattern at the top of the wall so there ll be full uncut tile at the top. If you are using the cement board as tile backer use the same mortar you are using to affix the tiles. Nail shims to the two by four so that the front surface of the backer board is even with the front surface of the drywall. Repair uneven seams with mortar.

Here s how to choose the best tile backer board for your project. Spread thinset mortar on the bottom center of the wall. Keep in mind that inch backer board is frequently less than inch thick. Do a dry run and lay the backerboard down to fully cover the area you plan to tile.

Tile needs to be installed on a backer board to keep the assembly stiff otherwise the assembly will flex at the grout joints allowing water to seep behind the tile and rot the substructure. Just slather one side with thin set or mastic and stick it in place. Snap a grid to the subfloor using a chalk line to mark your backerboard placement. Here the trim wasn t quite thick enough to overhang the tile below so we set the trim over a strip of 1 4 in.

Otherwise use latex or acrylic modified thin set mortar. Use tile spacers if necessary to keep the tile lines straight in the layout.